September in Balikpapan averages a daily high of 31°C with nights around 24.7°C. Expect roughly 3.8 wet days totalling 72.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Balikpapan is July–September.
Based on SEPINGGAN, ID (7.2km), 1995–2024. 15 years of September data.